UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GUIyT0FK1VT/7ZqxKQOWqpWpkKvIPRTfANTzoldKf0c=' 
WHERE 
  key_id = '18d3fc356ac52a7a29deca0ae41179346c3c99074f4a14c85052433f6a6ae01e' 
  AND (
    token = 'GUIyT0FK1VT/7ZqxKQOWqpWpkKvIPRTfANTzoldKf0c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )